Technician charts

Counts come from the search index (SearchTechnicianNodesAsync with aggregations); each chart is one bucket-terms aggregation.

All technicians

Technicians by status

Technicians by availability

Technicians by region

Technicians per skill

Each technician counts once per skill they hold

Technicians by work order status

Handles → WorkOrder.Status

Technicians by work order type

Handles → WorkOrder.WorkType

Technicians by work order priority

Handles → WorkOrder.Priority